11. Immunity

Question 1

describe the mode of action of phagocytes (macrophages and neutrophils)

Question 2

describe the sequence of events that occurs during a primary immune response

Answer 2

reference to-
* macrophages
* B-lymphocytes, including plasma cells
* T-lymphocytes, limited to T-helper cells and T-killer cells

Question 3

explain the role of memory cells in the secondary immune response and in long-term immunity

Question 3

explain what is meant by an antigen and state the difference between self antigens and non-self antigens

Question 4

relate the molecular structure of antibodies to their functions

Answer 4

quaternary structure- protein
teo heavy and two light chains

Question 5

outline the hybridoma method for the production of monoclonal antibodies

Question 6

outline the principles of using monoclonal antibodies in the diagnosis of disease and in the treatment of disease

Question 6

describe the differences between active immunity and passive immunity

Question 7

describe the differences between natural immunity and artificial immunity

Question 8

explain how vaccination programmes can help to control the
spread of infectious diseases

Question 8

function of vaccines

Answer 8

vaccines contain antigens that stimulate immune responses to provide long-term immunity